now deleting product together with abstract product

2024-10-15 02:39:23 +03:00
parent 5066ded9c7
commit f50e10e231
5 changed files with 121 additions and 77 deletions
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/DBStorageController.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/DBStorageController.kt
@@ -137,24 +137,24 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE
        return DatabaseUtils.longForQuery(db, "SELECT COUNT(*) FROM ${AbstractProductContract.AbstractProductEntry.TABLE_NAME} WHERE ${AbstractProductContract.AbstractProductEntry.CATEGORY} = ?", arrayOf(id.toString())).toInt()
    }
    fun eraseAbstractProduct(db: SQLiteDatabase, id: Int, context: Context) {
-        val projection = arrayOf(
+        val projectionForAbstractProduct = arrayOf(
            AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME
        )

-        val selection = "${BaseColumns._ID} = ?"
-        val selectionArgs = arrayOf(id.toString())
-        val cursor = db.query(
+        val selectionForAbstractProduct = "${BaseColumns._ID} = ?"
+        val selectionArgsForAbstractProduct = arrayOf(id.toString())
+        val cursorForAbstractProduct = db.query(
            AbstractProductContract.AbstractProductEntry.TABLE_NAME,
-            projection,
-            selection,
-            selectionArgs,
+            projectionForAbstractProduct,
+            selectionForAbstractProduct,
+            selectionArgsForAbstractProduct,
            null,
            null,
            null
        )
        var imageHash: String = ""

-        with (cursor) {
+        with (cursorForAbstractProduct) {
            while(moveToNext()) {
                val productImageHash = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME))
                imageHash = productImageHash
@@ -165,9 +165,26 @@ class DBStorageController(context: Context) : SQLiteOpenHelper(context, DATABASE

        File(picturesDir, "$imageHash.png").delete()
        File(thumbnailsDir, "$imageHash.webp").delete()
+
+        val projectionForProducts = arrayOf(BaseColumns._ID)
+        val selectionForProducts = "${ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID} = ?"
+        val selectionArgsForProducts = arrayOf(id.toString())
+
+        val cursorForProducts = db.query(ProductContract.ProductEntry.TABLE_NAME, projectionForProducts, selectionForProducts, selectionArgsForProducts, null, null, null)
+
+        with (cursorForProducts) {
+            while(moveToNext()) {
+                eraseProduct(db, getInt(getColumnIndexOrThrow(BaseColumns._ID)))
+            }
+        }
+
        db.delete(AbstractProductContract.AbstractProductEntry.TABLE_NAME, BaseColumns._ID + "=" + id, null)
    }

+    fun eraseProduct(db:SQLiteDatabase, id: Int) {
+        db.delete(ProductContract.ProductEntry.TABLE_NAME, BaseColumns._ID + "=" + id, null)
+    }
+
    fun insertNewProduct(db: SQLiteDatabase, product: Product) {
        val values = ContentValues().apply {
            put(ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID, product.abstractProductId)
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/MainActivity.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/MainActivity.kt
@@ -101,8 +101,15 @@ class MainActivity : AppCompatActivity() {

                when (fragment::class.simpleName.toString()) {
                    "StorageFragment" -> {
-                        val storageFragment = fragment as StorageFragment
-                        storageFragment.removeSelected()
+                        AlertDialog.Builder(this)
+                            .setMessage("Deleting an abstract product will also delete ALL the products, that belong to it. Do you want to proceed?")
+                            .setPositiveButton("Yes") { _: DialogInterface, _: Int ->
+                                val storageFragment = fragment as StorageFragment
+                                storageFragment.removeSelected()
+                            }
+                            .setNegativeButton("No") { _: DialogInterface, _: Int ->
+
+                            }.show()
                    }

                    "CategoriesFragment" -> {
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/fragments/ShelfFragment.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/fragments/ShelfFragment.kt
@@ -12,6 +12,7 @@ import org.foxarmy.barcodescannerforemployees.ProductContract
 import org.foxarmy.barcodescannerforemployees.R
 import org.foxarmy.barcodescannerforemployees.dataclasses.Product
 import org.foxarmy.barcodescannerforemployees.views.ProductView
+import kotlin.concurrent.thread

 class ShelfFragment : Fragment() {
    override fun onCreateView(
@@ -35,36 +36,44 @@ class ShelfFragment : Fragment() {
    }

    fun updateContent() {
-        val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
-        grv?.removeAllViews()
+        thread {
+            val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
+            activity!!.runOnUiThread {
+                grv?.removeAllViews()
+            }

-        val db = DBStorageController(requireContext()).readableDatabase
-        val projection = arrayOf(
-            BaseColumns._ID,
-            ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID,
-            ProductContract.ProductEntry.AMOUNT,
-            ProductContract.ProductEntry.DATE_OF_PRODUCTION,
-            ProductContract.ProductEntry.EXPIRY_DATE,
-        )
+            val db = DBStorageController(requireContext()).readableDatabase
+            val projection = arrayOf(
+                BaseColumns._ID,
+                ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID,
+                ProductContract.ProductEntry.AMOUNT,
+                ProductContract.ProductEntry.DATE_OF_PRODUCTION,
+                ProductContract.ProductEntry.EXPIRY_DATE,
+            )

-        val cursor = db.query(ProductContract.ProductEntry.TABLE_NAME, projection, null, null, null, null, null)
+            val cursor = db.query(ProductContract.ProductEntry.TABLE_NAME, projection, null, null, null, null, null)

-        with (cursor) {
-            while(moveToNext()) {
-                val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
-                val abstractProductId = getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID))
-                val amount = getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.AMOUNT))
-                val dateOfProduction = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.DATE_OF_PRODUCTION))
-                val dateOfExpiry = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.EXPIRY_DATE))
+            with(cursor) {
+                while (moveToNext()) {
+                    val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
+                    val abstractProductId =
+                        getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.ABSTRACT_PRODUCT_ID))
+                    val amount = getInt(getColumnIndexOrThrow(ProductContract.ProductEntry.AMOUNT))
+                    val dateOfProduction =
+                        getString(getColumnIndexOrThrow(ProductContract.ProductEntry.DATE_OF_PRODUCTION))
+                    val dateOfExpiry = getString(getColumnIndexOrThrow(ProductContract.ProductEntry.EXPIRY_DATE))

-                val product = Product(productId, abstractProductId, amount, dateOfProduction, dateOfExpiry)
+                    val product = Product(productId, abstractProductId, amount, dateOfProduction, dateOfExpiry)

-                val productView = ProductView(
-                    requireActivity(),
-                    requireContext(),
-                    product
-                )
-                grv?.addView(productView)
+                    val productView = ProductView(
+                        requireActivity(),
+                        requireContext(),
+                        product
+                    )
+                    activity!!.runOnUiThread {
+                        grv?.addView(productView)
+                    }
+                }
            }
        }
    }
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/fragments/StorageFragment.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/fragments/StorageFragment.kt
@@ -19,6 +19,7 @@ import org.foxarmy.barcodescannerforemployees.activities.AddAbstractProductActiv
 import org.foxarmy.barcodescannerforemployees.dataclasses.AbstractProduct
 import org.foxarmy.barcodescannerforemployees.generateThumbnailForImage
 import org.foxarmy.barcodescannerforemployees.views.AbstractProductView
+import kotlin.concurrent.thread

 class StorageFragment : Fragment() {

@@ -36,22 +37,28 @@ class StorageFragment : Fragment() {
    }

    fun removeSelected() {
-        val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
+        thread {
+            val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)

-        val db = DBStorageController(requireContext())
-        var deleted = false
-        for (view: AbstractProductView in grv?.children!!.iterator() as Iterator<AbstractProductView>) {
-            view.findViewById<ImageView>(R.id.productPicture).setImageURI(null)
-            if (view.isProductSelected) {
-                db.eraseAbstractProduct(db.writableDatabase, view.abstractProduct.id, requireContext())
-                deleted = true
+            val db = DBStorageController(requireContext())
+            var deleted = false
+            for (view: AbstractProductView in grv?.children!!.iterator() as Iterator<AbstractProductView>) {
+                activity!!.runOnUiThread {
+                    view.findViewById<ImageView>(R.id.productPicture).setImageURI(null)
+                }
+                if (view.isProductSelected) {
+                    db.eraseAbstractProduct(db.writableDatabase, view.abstractProduct.id, requireContext())
+                    deleted = true
+                }
            }
-        }

-        if (!deleted) {
-            Toast.makeText(requireContext(), "Nothing to delete", Toast.LENGTH_SHORT).show()
+            if (!deleted) {
+                activity!!.runOnUiThread {
+                    Toast.makeText(requireContext(), "Nothing to delete", Toast.LENGTH_SHORT).show()
+                }
+            }
+            updateContent()
        }
-        updateContent()
    }

    fun updateSelected() {
@@ -66,44 +73,49 @@ class StorageFragment : Fragment() {
                ContextCompat.startActivity(requireContext(), addProductIntent, extras)
            }
        }
-
    }

    fun updateContent() {
+        thread {
+            val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
+            activity!!.runOnUiThread{
+                grv?.removeAllViews()
+            }

-        val grv = view?.findViewById<GridLayout>(R.id.contentGridLayout)
-        grv?.removeAllViews()
+            val db = DBStorageController(requireContext()).readableDatabase
+            val projection = arrayOf(
+                BaseColumns._ID,
+                AbstractProductContract.AbstractProductEntry.BARCODE,
+                AbstractProductContract.AbstractProductEntry.PRODUCT_NAME,
+                AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT,
+                AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME,
+                AbstractProductContract.AbstractProductEntry.CATEGORY
+            )

-        val db = DBStorageController(requireContext()).readableDatabase
-        val projection = arrayOf(BaseColumns._ID,
-            AbstractProductContract.AbstractProductEntry.BARCODE,
-            AbstractProductContract.AbstractProductEntry.PRODUCT_NAME,
-            AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT,
-            AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME,
-            AbstractProductContract.AbstractProductEntry.CATEGORY
-        )
+            val cursor = db.query(AbstractProductContract.AbstractProductEntry.TABLE_NAME, projection, null, null, null, null, null)

-        val cursor = db.query(AbstractProductContract.AbstractProductEntry.TABLE_NAME, projection, null, null, null, null, null)
+            with (cursor) {
+                while(moveToNext()) {
+                    val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
+                    val barcode = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.BARCODE))
+                    val productName = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NAME))
+                    val netWeight = getDouble(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT))
+                    val productImageHash = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME))
+                    val category = getInt(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.CATEGORY))

-        with (cursor) {
-            while(moveToNext()) {
-                val productId = getInt(getColumnIndexOrThrow(BaseColumns._ID))
-                val barcode = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.BARCODE))
-                val productName = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NAME))
-                val netWeight = getDouble(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.PRODUCT_NET_WEIGHT))
-                val productImageHash = getString(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.IMAGE_FILENAME))
-                val category = getInt(getColumnIndexOrThrow(AbstractProductContract.AbstractProductEntry.CATEGORY))
+                    val product = AbstractProduct(productId, barcode, productName, netWeight, productImageHash, category)

-                val product = AbstractProduct(productId, barcode, productName, netWeight, productImageHash, category)
+                    generateThumbnailForImage(context!!, productImageHash)

-                generateThumbnailForImage(context!!, productImageHash)
-
-                val abstractProduct = AbstractProductView(
-                    requireActivity(),
-                    requireContext(),
-                    product
-                )
-                grv?.addView(abstractProduct)
+                    val abstractProduct = AbstractProductView(
+                        requireActivity(),
+                        requireContext(),
+                        product
+                    )
+                    activity!!.runOnUiThread{
+                        grv?.addView(abstractProduct)
+                    }
+                }
            }
        }
    }
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/views/ProductView.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/views/ProductView.kt
@@ -67,7 +67,6 @@ class ProductView: LinearLayout {
        productLifeSpan.text = "${product.dateOfProduction}-${product.dateOfExpiry}"

        this.background = ContextCompat.getDrawable(context, if (isProductSelected) R.drawable.outline_selected else R.drawable.outline)
-        

        findViewById<ConstraintLayout>(R.id.productLayout).setOnLongClickListener {
            isProductSelected = !isProductSelected